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An ordered pair is a simple way of keeping track of two numbers by writing them in a specific order. Learn about ordered pairs and how they are useful. Calculus: Tutoring Solution / Math Courses
This format is called an ordered pair because the order of the pair of numbers matters: x always comes before y. With our teeth brushing and dog kissing example, the four days of data can be represented as four ordered pairs: (2,5), (1,2), (0,1), and (5,6). With this method, our order takes the place of labeling.